Class 12th Physics vvi Objective MCQ Question चुम्बकत्व एवं द्रव्य (Magnetism And Matter) Bihar Board Class 12 Science all subject Note and PDF चुम्बकत्व एवं द्रव्य (Magnetism And Matter) 1. चुंबकीय फ्लक्स का SI मात्रक है : (A) ओम (B) Read More …
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